ශාක හා සත්ව සෛලවල ව්යුහය හා කෘත්යය - ( 10 ශ්රේණිය - පාඩම් අංක 06 )

j oHdj Ydl yd i;a;aj ffi,j, jHqyh yd lD;H

fkdf,a fnodyeu i|yd h 108

6'1 jfha uQ,sl ;ekq tallh

1665 frdn yqla (Robert Hooke) Tyq iska ksudKh l< wKalaIh Nd;fhka lsr, wenhl fohla kslaIKh lrk ,' tys johl fuka l=r iuQyhla we;s

nj fidhd.;a Tyq tu l=r" ffi, ^cells& f,i k lrk ,'

6'1 rEmh - frdn yqla" Tyq Nd; l< wKalaIh iy lsr, wenfha ffi,

O fldgia wKalaIh ;=

Ydl yd i;a;aj ffi,j, jHqyh yd lD;H j oHdj

fkdf,a fnodyeu i|yd h109

ksoiqka - ksidf.a Tlaiscka mjykh i|yd r;= rerdKq ffi, msysu

wdf. ikakhkh i|yd iakdhq ffi, msysu'

f wkqj lsish ldhhla ^lD;Hhla& bgq lsug yev .eiqKq l=vd u ffch

tallh ffi,h f' jfha jHqyuh tallh fuka u lD;Huh tallh o ffi,h

nj f wkqj meye,s f'

ffi, yevfhka" m%udKfhka yd l%shdld;ajfhka O f' fYaI wjia:d lsysmhla

yereKq g idudkHfhka ffi, msh weig fkdfmfka' tu ksid tajd wdf,dal

wKalaIh hgf;a kslaIKh l< hq;= h'

6'3 ffi,j, jHqyh

i;a;aj ffi, yd Ydl ffi,j, jHqyh wOHhkh i|yd my; lafjk 6'1 yd 6'2

l%shdldrlj, ksr; fjuq'

i;a;aj ffi, i|yd ksoiqkla jYfhka myiqfjka ,nd.; yels ffi, ksoYlhla

f,i fldmq,a ffi, o Ydl ffi, i|yd ksoYlhla f,i kq isfha ffi, o

wKalaIfhka kslaIKh lruq'

i;a;aj ffi, wOHhkh lsu ^fldmq,a ffi,&'

uqLh fidaod fhda. yekaola jeks fohlska luqf,a we;= me;a; miaifuka

iQrd fldmq,a ffi, kshehla ,nd .kak' msis re lodjla f.k tA u; c,

kajla ;nd ta u; fldmq,a ffi, ksheh ;nkak' jdhq nqnq we;= fkdjk

fia jeiq fm;a;lska jid wdf,dal wKalaIfhka kslaIKh lrkak'

jK .ekajQ fldmq,a ffi,

wdf,dal wKalaIfhka

fmfkk wdldrh'

6'2 (b) rEmh6'2 (a) rEmh

l%shdldrlu -01



Ydl ffi, wOHhkh lsu ^kq ishl ffi,&'

kq f.hla lmd rEm igyfka lafjk wdldrhg tys we;=



iEu i;a;aj ffi,hla u wdjrKh mj;skafka ma,diau mg,h fyj;a ffi,

mg,fhks' th i wO mdr.uH fuka u jrK mdr.uH mg,hls' i;a;aj

ffi,j, kHIah ffi, ma,diauh ;=< flaka.; j msysghs' ffi, ma,diauh

c,a,suh jHhls'

Ydl ffi,j, ndysr wdjrKh ffi, ;a;shhs' ffi, ;a;sh fi,shqf,daiaj,ska

iE we;' ffi, ;a;shg we;=



flaka foayh

uhsfgdfldka%hu

ffi, ma,diauh

f.d,a.s ixlSKh

ma,diau mg,h

kHIaldjkHIa mg,h

kHIah

rhsfndfidau

isks` wka;(ma,diah cd,sld

r wka;(ma,diah cd,sld

i;a;aj yd Ydl ffi,j, jHqyh ie,l+ g tajd w;r iudkl fuka u O

fjkial o we;' i;a;aj yd Ydl ffi, w;r m%Odk fjkial my; j.=f laf'

j.=j 6'1 - i;a;aj ffi, yd Ydl ffi, w;r m%Odk fjkial

i;a;aj ffi,h Ydl ffi,h

01& ffi, ;a;shla ke;' 01& ffi, ;a;shla we;'

02& ffi, ;=< je wjldYhla

.kafka ffi, ma,diauhhs'

02& ffi, ma,diauh ffi,fha

mhka;hg ;,a mj;S'

03& Yd, la;l ke;' ^iuyr fgl

;djld,sl b;d u l=vd la;l

lsysmhla ;sh yels h'&

03& Yd, uOH la;lhla fyda la;l

lsysmhla ;sh yels h'

04& y;,j ke;' 04& fndfyda g y;,j we;'

6'4 ffi, bkashsld yd jHqy'

ffi,hla ;=< mj;sk iEu jHqyhla u Bg iqfYaIs jQ lD;Hhla bgq lrhs' tk

ffi,h ;=< Y%u Nckhla fmkakq lrhs'

6'7 rEmh - bf,lafg%dak wKalaISh f;dr;=re mok lr" ksudKh lrk ,o oYSh i;a;aj ffi,h



ffi, ;a;sh (Cell wall)

6'8 rEmh

Ydl ffi,j, ndysr wdjrKh ffi, ;a;shhs'

ffi, ;a;sh w h' ffi, ;a;sh iE we;s

m%Odk ix>glh fi,shqf,daia h' Bg wu;rj

fyfi,shqf,daia yd fmlaka we;' ffi, ;a;sfha

m%Odk ldhhka jkafka ffi,fha yevh mj;ajd

.ekSu" ikaOdrKh yd wdrlaIdjhs'

ma,diau mg,h (Plasma membrane)

6'9 rEmh

Ydl ffi,j, ffi, ;a;shg we;=



uhsfgdfldka%hu (Mitochondrion)

6'11 rEmh

uhsfgdfldka%hu wKavdldr fyda oKavdldr yeve;s

mg,uh ffi, bkashsldjls' uhsfgdfldka%hd ;=< iajdhq

Yajik m%;sl%shd is Yla;sh ksoyia lrk neka ffi,

;=< mj;sk cjfmd



la;lh (Vacuole)

6'15 rEmh

la;lh hkq Ydl ffi,j, mj;sk mg,hlska jg jQ

;r,hlska msreKq Yd, bkashsldjla f' la;lfha mg,h

la;l mg,h fyj;a ;dkma,diagh f,i ykajhs' la;lfha

jQ ;r,h ffi, hqIh f,i ykajhs' tys c,h" iSks"

fkdfhl=;a j.j, whk yd jKl jH .nvd lrhs' i;a;aj

ffi,j, idudkHfhka la;l olakg fkd,efnk w;r

iuyr g l=vd la;l ;sh yelsh' tal ffi,sl kaf.a

ixfldapl la;l olakg ,ef' ffi,j, c, ;=,H;dj

mj;ajd .ekSu" ikaOdrKh mj;ajd .ekSu yd jKl u.ska

ffi,j,g jKh ,ndu la;lfha lD;Hhka f'

y Tf oHd .=re;=udf.a iydh we;sj oHd.drfha we;s iar lod wdf,dal wKalaIfhka kslaIKh lrka ffi, yd ffi, bkashsld ykd.kak'

y bf,lafg%dak wKalaIsh PdhdrEm u.ska ffi, bkahsldj, iajNdjh wjfndaO lr .kak'

l%shdldrlu - 03

6'5 ffi, jOkh (Cell Growth) yd ffi, Ndckh (Cell Division)

ffi, jOkh

6'16 rEmh

mK; fkdjQ ffi,h

mK; ffi,h

jOkh

kaf.a uQ,sl ,laIKhla f,i jOkh ie,lsh yels h'

ffi, jOkh hkq ffi,hl m%udKh fyda h



ffi, Ndckh

ffi,j,g jOkh ug fuka u .=Kkh ug o yelshdj we;' ta wkqj tla

ffi,hlg ffi, folla" y;rla" wgla wd f,i .=Kkh h yels h' ffi,

.=Kkh fuka kj ffi, we;s f' ffi, .=Kkh jkqfha ffi, Ndckfhks'

ffi, Ndckh hkq kj ffi, iEfok m h ffi,hl is jk ffi,Sh jH

fnf l%shdj,sh hs'

i;H kHIal ffi,hl ffi, Ndckh imQK u i|yd m



wkQkk Ndckh

6'18 rEmh

2n

2n

2n

ffi, kHIahl mj;sk jKfoay ixLHdj

ksh;j ;nd .kska ffi, ixLHdj jelr .ekSu

wkQkk Ndckh f,i ykajhs' wkQkk

Ndckfha ud;D ffi,fha jKfoay ixLHdjg

u iudk jKfoay ixLHdjla ys;D ffi,hg

,efnk w;r ij iu ffi, folla we;s f'

wkQkk Ndckfha jeo.;alu

nyq ffi,sl kaf.a foay jOkh i|yd

w,sx.sl m%ckk l%uhla f,i

;=jd, iqj u iy uereKq ffi, fjkqjg kj ffi, ,nd u

W!kk Ndckh

6'19 rEmh

2n

2n

n

n

,sx.sl m%ckkfha isjk ud;D yd mS;D ckaudKq

ixfhdackfhka miq fYaIhl jKfoay

ixLHdj mrmrdfjka mrmrdjg ksh; j

mj;ajd .; hq;=hs' f i|yd ckaudKq ffi,

iEf jKfoay ixLHdj y wvla njg m;a

lr.; hq;=h' tk ffi,hl jKfoay ixLHdj

n ixLHdjla njg m;alr.; hq;=hs' tfia jKfoay ixLHdj wvla njg m;a lrk Ndckh

W!kk Ndckh f,i ykajhs'

tu ksid Wiia kaf.a ckaudKq we;sf

W!kk Ndckh is f' tk Y=l%dKq yd n

j, we;af;a jKfoay hq.,hlska tlla ne.ska

mu' (2n n) ckaudKq ixfiapkh hqla;dKqj iEfok g jKfoay kej; tl;= tk (n + n 2n njg m;a f')

W!kk Ndckh mshjr follska is jk w;r tys m



W!kk Ndckfha jKfoayj, jHqyuh fjkial is jk ksid kaf.a m%fNaok

fyj;a kj ,laIK yg.kS' fuh ffcj mKdufha b;d jeo.;a ixisoahls'

W!kk Ndckfha jeo.;alu

mrmrdfjka mrmrdjg jKfoay ixLHdj ksh;j mj;ajd .ekSu'

jKfoayj, we;sjk fjkia fyj;a m%fNaok yg.kakd ksid

mKdufha jeo.;a u'

W!kk yd wkQkk Ndckfha fjkial 6'2 j.=fjys olajd we;'

j.=j 6'2 - W!kk yd wkqkk Ndckfha fjkial'

W!kk Ndckh wkQkk Ndckh

1' Ndck wjia:d follska iuka; h'Ndckh tla wjia:djlskaa muKla

iuka;h'

2' oa.=K ffi,j, muKla is f'tal.=K fuka u oa.=K ffi,j,o is

f'

3' m%fNaok yg .kS' tk jKfoayj,

fjkial we;s f'

m%fNaok yg fkd.kS' jKfoayj,

fjkial b;d r,hs'

4' Ndckh wjidkfha ys;D ffi,

y;rla iEfoa'ys;D ffi, folla iEfoa'

5' ud;D ffi,fha jKfoay

ixLHdfjka wvla ys;D ffi,hg

,ef'

ys;D ffi,j, jKfoay ixLHdj

ud;D ffi,fha jKfoay ixLHdjg

iudk f'

6' ys;D ffi, ud;D ffi,hg iudk

fkdf'

ys;D ffi, ud;D ffi,hg iEu

w;skau iudk f'



1' 1'1 Ydl ffi,hl yd i;a;aj ffi,hl fh rEm igyka my; oelaf'

tu rEm igyka we| tys A, B, C, D, E, '''''''' fldgia ykd .kak'

AB

CD

E

FG

HI

J

L

A

B

C

D

E

F

G

H

J

1'2 Ydl ffi,hla i;a;aj ffi,hlska fjka lr ykd .; yels ,laIK

fudkjd o@

1'3 my; lafjk bkashsldj, lD;H i|yka lrkak'

1' uhsfgdfldka%hd 2' f.d,a.s ixlSKh

3' r wka;#ma,diah cd,sld 4' la;lh

2' W!kk Ndckfha jeo.;alu ms



mdNdIsl jpk

oYsh ffi,h - Typical cell

bkahsldj - Organelle

jK foay ixLHdj - Chromosomal number

ffi, Ndckh - Cell division

wkqkk Ndckh - Mitosis

W!kk Ndckh - Meiosis

Documents

ශාක හා සත්ව සෛලවල ව්යුහය හා කෘත්යය - ( 10 ශ්රේණිය - පාඩම් අංක 06 )